Elevator-lock.



G. W. TAYLOR.

ELEVATOR LOCK. APPLICATION FILED SEPT-25, 1915.

Patented Aug. 1, 1916.

2 SHEET S-SHEET 1.

Gnome;

IE mamas r srzns 04.1040. unsumcmn. n cy G. W. TAYLOR.

ELEVATOR LOCK APPLICATION FILED SEPT-2 5. I915.

Patented Aug. 1, 1916. I

2 SHEETS-SHEET 2.

Elma/atom 1n: mmms versus cu. FNOYO-LIYNQ. wAsmMnmn, u c.

UNTTED STATES PATENT GFFTCE.

GEORGE W. TAYLOR, or WARSAW, NEW YORK.

ELEVATOR-LOCK.

Application filed September 25, 1915.

To all whom it may concern Be it known that I, GEORGE W. TAYLOR, acitizen of the United States, residing at lVarsaw, in the county ofWyoming and State of New York, have invented new and useful Improvementsin Elevator-Locks, of which the following is a specification.

This invention relates to an elevator lock and more particularly to astructure whereby the control rope of anelevator may be locked againstmovement when the operator wishes to leave the elevator.

Another object of the invention is to provide a structure which can beattached to the side of the elevator and having a portion thereofencircling the control rope, means being provided for clamping the ropewhen the elevator is to be locked.

The invention consists in the features of construction, combination, andarrangement of parts, hereinafter fully described and claimed, referencebeing had to the accompanying drawings, in which:

Figure 1 is a vertical section through an elevator showing theapplication of my device. Fig. 2 is a top plan view of my device showinga portion of the elevator in section. Fig. 3 is a longitudinal sectionon line 33 of Fig. 2. Fig. 4: is a horizontal sectional view showing thejaws in elevation. Fig. 5 is a cross section; and, Figs. 6 and 7 aredetail views of the lock bolt.

In the drawings, the numeral 1 designates the casing which is providedwith a hollow extension 2 formed of the parts 3 and 4 having a hingedconnection with each other. A bolt is provided as shown at 5 forpreventing movement thereof when in an operative position. Housed Withinthe structures just mentioned is a pair of jaws 6 and 7 having arcuateshaped gripping portions 8 and inwardly projecting apertured lugs 9, theapertures of which receive the bolt 10 passing transversely through thecasing.

The jaws are provided to one side of the lugs 9 with a pair ofcylindrical extensions 11 forming supports for the extremities of a coilspring 12 that utilizes its resiliency to force the adjacent extremitiesof the jaws apart and the gripping portions toward each other. The jawsare further provided with a second pair of inwardly extending aperturedlugs 13, the apertures of which aline when the gripping portions of thejaws are gripping the control rope 14 of the elevator. For moving thejaws apart against the ac- Specification of Letters Patent.

Patented Aug. 1, 1916.

Serial No. 52,651.-

tion of the heretofore mentioned springs, I provlde a shaft 15 that haslaterally extending fingers 16 that cooperate with the adjacent sldes ofthe jaws, the inner surfaces of one of the jaws being provided with aprojection 17 whereby the rotary motion of the shaft is limited.

, For locking the heretofore mentioned mechanism against movement, Iprovide the locklng bolt 18 slidably mounted Within a tubular casing 19and adapted to have one extremity passed through the apertures of thelugs 13 when they aline which they do when the gripping portions of theaws grip the control rope. I provide a simple structure for locking thebolt 18 against move ment, but, I wish it to be understood that anyother construction may be used without departing from the spirit of myinvention.

I show a shoulder 20 formed on the casing 19 that cooperates with alaterally extending pin 24 carried by the lock bolt 18. The pin isforced beneath the shoulder 20 against the action of the spring 22 thatencircles the bolt between the pin and a portion of the casing 19, theupper end of the casing being provided with an opening for receiving therecessed end of a key 23.

The recess of the key is given a square formation so as to grip thesquared extremity of the bolt so that the latter can be initiallypressed downwardly against the action of the spring and subsequentlygiven a rotary motion for disposing the pin 21 beneath the shoulder 20,after this operation, the key being removed.

Any suitable means can be provided for rotating the shaft 15 such as ahandle 24.

Having described my invention, What is claimed is:

1. An elevator look, a casing secured to the elevator, a pair of jawspivotally mounted therein and provided with arcuate portions forgripping the control rope of the elevator, a shaft provided withlaterally extending fingers for moving the jaws away from the controlrope, a spring for forcing the jaws toward the control rope, and asliding bolt adapted to engage portions of said jaws for locking themagainst movement when in a locking position.

2. An elevator lock comprising a casing secured to the elevator, a pairof jaws pivotally mounted therein and provided with arcuate portions forgripping the control rope of the elevator, a shaft provided withlaterally extending fingers for moving the der for holding said jaws ina locked posijaws away from the control rope, a spring tion. 10 forforcing the jaws toward the control rope, In testimony whereof I, aflixmy signaa tubular casing upstanding from said first ture in presence oftwo witnesses.

casing and provided Wltllfl shoulder and a GEORGE W. TAYLOR. springpressed bolt slidably mounted within Witnesses:

said tubular casing and formed with a pro- F. J. HUMPI-IREY,

jection adapted to engage under said shoul- HOWARD SIBLEY.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents. Washington. D. G.

